Curtain



FIG. 1 is a front perspective view of a curtain showing my new design. The broken line showing of the curtain rods is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof from the top or bottom;

FIG. 4 is a front or rear elevational view thereof on a reduced scale;

FIG. 5 is a front or rear elevational view of another embodiment of my new design;

FIG. 6 is a front or rear elevational view of another embodiment of my new design;

FIG. 7 is a front or rear elevational view of another embodiment of my new design; and

FIG. 8 is a fragmentary enlarged perspective view of a central portion common to the embodiments of FIGS. 6 and 7. 

The ornamental design for a curtain, as shown and described. 